process function

Future<void> process(VmService vmService, Isolate isolate, String input)

Implementation

Future<void> process(VmService vmService, Isolate isolate, String input) async {
  try {
    if (input.startsWith('print(')) {
      await vmService.evaluate(isolateId, isolate.rootLib?.id ?? '', input);
    } else if (input.startsWith('reload()')) {
      reload();
    } else {
      if (isStatement(input)) {
        // check for possible errors in newly added input
        final possibleError = await validator(input);
        if (possibleError != null) {
          print(possibleError);
        } else {
          vmService.reloadSources(isolateId);
          print('reloaded');
        }
      } else if (isExpression(input)) {
        final result = await vmService.evaluate(
            isolateId, isolate.rootLib?.id ?? '', input);
        if (result is InstanceRef) {
          final value = result.valueAsString;
          if (value != null) {
            print(value);
          }
        } else if (result is ErrorRef) {
          print('error: $result');
        } else {
          print('unknown error');
        }
      } else {
        print('not recognised: $input');
      }
    }
  } on Exception catch (errorRef) {
    print(errorRef);
  }
}